نتایج جستجو برای: nadh oxidase
تعداد نتایج: 58138 فیلتر نتایج به سال:
The signaling pathways involved in the long-term metabolic effects of angiotensin II (Ang II) in vascular smooth muscle cells are incompletely understood but include the generation of molecules likely to affect oxidase activity. We examined the ability of Ang II to stimulate superoxide anion formation and investigated the identity of the oxidases responsible for its production. Treatment of vas...
one group of abstracts was inadvertently omitted. In order to complete the formal record of this meeting, we are publishing the following abstracts. The editors hope that, in spite of its lateness, this supplementary publication will prove useful. Canada We can report that both A. hippikon and A. morum S2, like all Acholeplasma species, have NADH oxidase localized in membrane fractions and can ...
Three isogenic strains of Lactococcus lactis with different levels of H(2)O-forming NADH oxidase activity were used to study the effect of oxygen on glucose metabolism: the parent strain L. lactis MG1363, a NOX(-) strain harboring a deletion of the gene coding for H(2)O-forming NADH oxidase, and a NOX(+) strain with the NADH oxidase activity enhanced by about 100-fold. A comprehensive descripti...
The chlorophyll-containing lamellar structures isolated from Anabaena variabilis have the ability to oxidize reduced mammalian cytochrome c in the dark. This activity is oxygen dependent and heat labile. As with other cytochrome oxidase preparations, activity is stimulated by detergents and is sensitive to the ionic strength of the assay solution. The cytochrome oxidase activity is not inhibite...
CytOChrome oxidase and NADH cytochrome c reductase activities were analyzed biochemically in gingiv.il hiops> specimens obtained from 22 male patients (age 23-72) undergoing periodonta] treatment. Histologieully. 13 specimens evhibited mild inflammation, while 9 showed more severe inflammatory responses. Cytochrome oxidase activity was significantly greater in the mildly inflamed than in marked...
Hydrogen peroxide production is a well-known trait of many bacterial species associated with the human body. In the presence of oxygen, the probiotic lactic acid bacterium Lactobacillus johnsonii NCC 533 excretes up to 1 mM H(2)O(2), inducing growth stagnation and cell death. Disruption of genes commonly assumed to be involved in H(2)O(2) production (e.g., pyruvate oxidase, NADH oxidase, and la...
The coupling of the quinoprotein glucose dehydrogenase to the electron transport chain has been investigated in Acinetobacter calcoaceticus. No evidence was obtained to support a previous suggestion that the soluble form of the dehydrogenase and the soluble cytochrome b associated with it are involved in the oxidation of glucose. Analysis of cytochrome content, and of reduction of cytochromes i...
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